Table 3.

Frequency of De Novo t(8;22) in Sperm Samples from Healthy Males

No. of t(8;22)-Positive PCRs	Total No. of PCRs	t(8;22) Frequency	No. of Sperm Samples	Race
0	24	< 6.38 x10−7	10	Whitea
0	48	< 6.38 x10−7	1	East Asianb
1	24	1.29 × 10−6	8	Whitea
3	48	1.96 × 10−6	2	East Asianb
2	24	2.64 × 10−6	4	Whitea
4	48	2.64 × 10−6	3	East Asianb
4	24	5.52 × 10−6	2	Whitea
9	48	6.29 × 10−6	1	East Asianb
6	24	8.72 × 10−6	1	Whitea
27	96	1.0 × 10−5	1	East Asianb

^aBased on only der(22)t(8;22) PCR results.

^bBased on der(8) and der(22)t(8;22) PCR results.